Disclosed is a pulse-signal recovering device with a time-interleaving scheme. Exemplary embodiments of the present invention can improve receive performance of a radar so as to shorten pre-scanning time for roughly determining presence and absence of objects and time consumed to recover received pulse signals in the radar receiver with the sub-sampling scheme by simultaneously sensing signal levels of the received pulse signals at several positions and improve a signal to noise ratio by increasing an averaging rate with respect to the number of same received pulses.
Legal claims defining the scope of protection, as filed with the USPTO.
1. A pulse-signal recovering device, comprising: a plurality of sampling blocks configured to sample a received signal and to output a plurality of sampled signals; a sampling clock generator configured to generate a plurality of sampling clocks that have a same pulse repetition interval and have different time delays, the plurality of sampling clocks being input to corresponding sampling blocks, respectively, at different times; and a multiplexer configured to receive the plurality of sampled signals and to output a recovered signal corresponding to the received signal, wherein the received signal is detected at the different times determined by the plurality of sampling clocks.
2. The pulse-signal recovering device of claim 1 , wherein the received signal is an impulse signal.
3. The pulse-signal recovering device of claim 1 , wherein each of the sampling blocks includes a track and hold unit (T/H).
4. The pulse-signal recovering device of claim 1 , wherein the plurality of sampling blocks are sampling blocks with a sub-sampling scheme.
5. The pulse-signal recovering device of claim 1 , wherein the sampling clock generator includes a plurality of delay buffers configured to generate the plurality of sampling clocks.
6. The pulse-signal recovering device of claim 1 , further comprising an analog-digital converter configured to convert the recovered signal into a digital signal.
7. A pulse-signal recovering device, comprising: a plurality of sampling blocks configured to receive same receive signals; a sampling clock generator configured to generate a plurality of sampling clocks each of which is input to a corresponding sampling block of the plurality of sampling blocks, the plurality of sampling clocks having the same pulse repetition interval and having different time delays; a multiplexer configured to multiplex a plurality of sampling signals output from the plurality of sampling blocks and output recover signals corresponding to the receive signals; and an analog-digital converter configured to convert an output signal of the multiplexer into a digital signal.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
December 14, 2011
May 27, 2014
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.